For gasoline engines Mitsubishi Pajero Mini (Engine type H53) 2009 suitable multigrade semi synthetic oil 5W-40 quality SM and models 2012 year for the cold season well suited synthetics 0W-40 SM
Also change Transmission oil / Filter, Engine oil filter,fuel filter,air filters etc.
ATF recommended by Mitsubishi SPII-SPIII which is not available, don't use generic ZIC ATF try to find a replacement that meets this mitsubishi spec, check shell or mobil 1 ATF to see if it meet this spec,also check Liqui moly top tech 1200 ATF which mentioned this mitsubishi spec.